240653433 has 4 divisors (see below), whose sum is σ = 320871248. Its totient is φ = 160435620.

The previous prime is 240653417. The next prime is 240653447. The reversal of 240653433 is 334356042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 240653433 - 2⁴ = 240653417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 240653433.

It is not an unprimeable number, because it can be changed into a prime (240653453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40108903 + ... + 40108908.

It is an arithmetic number, because the mean of its divisors is an integer number (80217812).

Almost surely, 2^240653433 is an apocalyptic number.

It is an amenable number.

240653433 is a deficient number, since it is larger than the sum of its proper divisors (80217815).

240653433 is an equidigital number, since it uses as much as digits as its factorization.

240653433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80217814.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 240653433 is about 15513.0085089901. The cubic root of 240653433 is about 622.0099812985.

The spelling of 240653433 in words is "two hundred forty million, six hundred fifty-three thousand, four hundred thirty-three".